The project is designed in a progressive story based application on the theme of spot the difference, a fun and casual game which tests the player’s observation skills and eye for detail, for children age 7 and up. The game comprises eight master levels, which contain eight sub levels each. They are designed with complexities to engage the user into playing more. Solving the levels successfully will help the player to make progress in the story. This application was aimed at various platforms, including iOS, Android and Windows.